I just finished the webinar, Configuring Your Streaming Video, which covers (most importantly) the concept of bits per pixel. You can view the webinar, download the handout and read the transcript by clicking over to the article. There's also a full

Configuring Your Streaming Video, Video, Handout and Transcript

Here’s the webinar, the description is below, along with an annotated transcript of the webinar. You can download the handout via a link below. Enjoy. If you’d like to be notified of future webinars, please join the mailing list on the upper left.